<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>全局异常</title>
</head>
<body>
<h1>全局异常处理/错误，发生:)</h1>
异常/错误信息: <h1 th:text="${msg}"></h1>

</body>
</html>